This filter reduces the light flow by 2 stops.
 Stable white point, even at wide apertures.
 No additional shades.
 No unwanted reflections.

 The main advantages of the Nisi Nano IRND 4"x5.65"
 The Nisi Nano IRND 4" x 5.65" design is optimized for use with digital sensors. Each side of the filter is coated with Nisi's proprietary Optical Nano Coating. This ensures neutral transitions between visible and infrared light, guaranteeing accurate color rendition. The filter's water-repellent coating ensures impact resistance and easy removal of contaminants.
 Made of high quality optical glass 4mm thick.